Pre-combustion or turbulence chamber for internal combustion eng

Details Pre-combustion or turbulence chamber for internal combustion eng Pre-combustion or turbulence chamber for internal combustion eng

1983-06-16

1985-06-11

Nelli, Raymond A.

Internal-combustion engines

Precombustion and main combustion chambers in series

Precombustion chamber liner or coating

123254, F02B 300

Patent

active

045221715

ABSTRACT:
In a pre-combustion or turbulence chamber for an internal combustion engine, an inner molded body, defining an inner chamber, is formed of a material having a thermal conductivity of at least 12 W/(m.multidot.K). An outer body is secured to the outer surface of the inner body by shrinking or glueing. The outer body is formed of a thermally insulating ceramic material having a thermal conductivity of less than 10 W/(m.multidot.K). Due to the low thermal conductivity of the outer molded body, the inner molded body is insulated against heat losses. The higher thermal conductivity of the inner molded body has the effect that, in the interior of the pre-combustion or turbulence chamber, the point at which the cold fuel jet impinges during the injection process is only slightly cooled.

REFERENCES:
patent: 1798260 (1931-03-01), Hehr
patent: 1874994 (1932-08-01), Hehr
patent: 2969050 (1961-01-01), Greier et al.
patent: 3398726 (1968-08-01), Bricout
patent: 3730163 (1973-05-01), Elsbett et al.
patent: 3954093 (1976-05-01), Hughes
patent: 4300497 (1981-11-01), Webber
patent: 4325334 (1982-04-01), Nishida et al.
patent: 4327681 (1982-05-01), Latsch et al.
patent: 4442807 (1984-04-01), Latsch et al.

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